Hematoporphyrin
血卟啉
🗣️ 情景例句
Let's go. What are your questions?
我们就进行吧。你想问哪些问题？
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
We're going to substitute a better item for number 3.
我们将以品质较好的来代替三号产品。